From: Patrick Donnelly <pdonnell@redhat.com>
Date: Sun, 15 Jul 2018 23:30:00 +0000 (-0700)
Subject: mds: dump recent events on respawn
X-Git-Tag: v12.2.8~52^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=5b0398690ac5aef40b0aa5386b93af7feb113b97;p=ceph.git

mds: dump recent events on respawn

Fixes: https://tracker.ceph.com/issues/24853

Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
(cherry picked from commit cde9487645edd0eb7d2e4e950309e77fa3808303)
---

diff --git a/src/mds/MDSDaemon.cc b/src/mds/MDSDaemon.cc
index 452d5bbf6602..3303c3a7825a 100644
--- a/src/mds/MDSDaemon.cc
+++ b/src/mds/MDSDaemon.cc
@@ -1073,6 +1073,10 @@ void MDSDaemon::respawn()
 {
   dout(1) << "respawn" << dendl;
 
+  /* Dump recent in case the MDS was stuck doing something which caused it to
+   * be removed from the MDSMap leading to respawn. */
+  g_ceph_context->_log->dump_recent();
+
   char *new_argv[orig_argc+1];
   dout(1) << " e: '" << orig_argv[0] << "'" << dendl;
   for (int i=0; i<orig_argc; i++) {